7765864045 has 16 divisors (see below), whose sum is σ = 9370183680. Its totient is φ = 6178662784.

The previous prime is 7765864037. The next prime is 7765864063. The reversal of 7765864045 is 5404685677.

It is a cyclic number.

It is not a de Polignac number, because 7765864045 - 2³ = 7765864037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7765863983 and 7765864001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020324 + ... + 1027906.

It is an arithmetic number, because the mean of its divisors is an integer number (585636480).

Almost surely, 2^7765864045 is an apocalyptic number.

It is an amenable number.

7765864045 is a deficient number, since it is larger than the sum of its proper divisors (1604319635).

7765864045 is a wasteful number, since it uses less digits than its factorization.

7765864045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The square root of 7765864045 is about 88124.1399674346. The cubic root of 7765864045 is about 1980.2951677939.

The spelling of 7765864045 in words is "seven billion, seven hundred sixty-five million, eight hundred sixty-four thousand, forty-five".